Faza, Qintar, Mufida, Diana, Shodikin, Muhammad, Hermansyah, Bagus, AND Marga Putri, Elvia. " The Correlation between Personal Hygiene of Greengrocer and Coliform Bacteria Contamination in Lettuce in Jember Traditional Markets" Journal of Agromedicine and Medical Sciences [Online], Volume 8 Number 2 (24 June 2022)